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Six sigma calculation

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  • #32641

    Sankar
    Participant

    1)the formula to calculate the sigma level is:
    =0.8406+SQRT(29.37-2.221*LN(DPM))the formula to calculate the sigma level is:
    What is LN in the above formula and show me an example.
    2)What is the meaning of 1.5sigma shift and how to use to calculate sigma of the process using table?

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    #87414

    Juchniewicz
    Member

    LN is natural log.
    search the site for “1.5 shift” and you’ll find the information you need.

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